upload template from URL

app/javascript/application.js

@@ -18,6 +18,7 @@ import AutoresizeTextarea from './elements/autoresize_textarea'
 import SubmittersAutocomplete from './elements/submitter_autocomplete'
 import FolderAutocomplete from './elements/folder_autocomplete'
 import SignatureForm from './elements/signature_form'
+import SubmitForm from './elements/submit_form'
 
 import * as TurboInstantClick from './lib/turbo_instant_click'
 
@@ -49,6 +50,7 @@ window.customElements.define('autoresize-textarea', AutoresizeTextarea)
 window.customElements.define('submitters-autocomplete', SubmittersAutocomplete)
 window.customElements.define('folder-autocomplete', FolderAutocomplete)
 window.customElements.define('signature-form', SignatureForm)
+window.customElements.define('submit-form', SubmitForm)
 
 document.addEventListener('turbo:before-fetch-request', encodeMethodIntoRequestBody)
 document.addEventListener('turbo:submit-end', async (event) => {

app/javascript/elements/submit_form.js

@@ -0,0 +1,5 @@
+export default class extends HTMLElement {
+  connectedCallback () {
+    this.querySelector('form').requestSubmit()
+  }
+}

app/javascript/template_builder/builder.vue

@@ -31,6 +31,7 @@
             :href="`/templates/${template.id}/submissions/new`"
             data-turbo-frame="modal"
             class="btn btn-primary text-base"
+            @click="maybeShowEmptyTemplateAlert"
           >
             <IconUsersPlus
               width="20"
@@ -691,14 +692,25 @@ export default {
 
       this.save()
     },
-    onSaveClick () {
-      this.isSaving = true
+    maybeShowEmptyTemplateAlert (e) {
+      if (!this.template.fields.length) {
+        e.preventDefault()
 
-      this.save().then(() => {
-        window.Turbo.visit(`/templates/${this.template.id}`)
-      }).finally(() => {
-        this.isSaving = false
-      })
+        alert('Please draw fields to prepare the document.')
+      }
+    },
+    onSaveClick () {
+      if (this.template.fields.length) {
+        this.isSaving = true
+
+        this.save().then(() => {
+          window.Turbo.visit(`/templates/${this.template.id}`)
+        }).finally(() => {
+          this.isSaving = false
+        })
+      } else {
+        alert('Please draw fields to prepare the document.')
+      }
     },
     scrollToArea (area) {
       const documentRef = this.documentRefs.find((a) => a.document.uuid === area.attachment_uuid)